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Finding the Fourth Proportional to 238,992.17, 358,563.60 and 112,627.31

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Solution

The fourth proportional to 238,992.17, 358,563.60 and 112,627.31 is: 168,976.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,992.17 : 358,563.60 = 112,627.31 : x
  2. Step 2: Convert to fraction form
    238,992.17/358,563.60 = 112,627.31/x
  3. Step 3: Cross multiply
    238,992.17x = 358,563.60 × 112,627.31
  4. Step 4: Simplify right side
    238,992.17x = 40,384,051,375.96
  5. Step 5: Solve for x
    x = 40,384,051,375.96/238,992.17
  6. Step 6: Final answer
    x = 168,976.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.